function tab(divid,total)
{

for(i=1;i<=total;i++)
	{
		var ele="s"+i;
		var imgs="q"+i;
		
		if (divid==i){

			document.getElementById(ele).style.display='block';
			document.getElementById(imgs).className = "active_image";

			
			}
			else
			{
			document.getElementById(ele).style.display='none';
			document.getElementById(imgs).className = "no-active_image";

			
		}

	}



}




function hide(divid,total)
{

for(i=1;i<=total;i++)
	{
		var ele="s"+i;
		
		if (divid==i){
		
			document.getElementById(ele).style.display='none';
			}
			else
			{
			document.getElementById(ele).style.display='none';
			
		}

	}

}


function contenttab(divid,total)
{

for(i=1;i<=total;i++)
	{
		var ele="a"+i;
		
		if (divid==i){
		

		
			document.getElementById(ele).style.display='block';
			}
			else
			{
			document.getElementById(ele).style.display='none';
			
		}

	}



}

function contentnotab(divid,total) {
for(i=1;i<=total;i++)
	{
		var ele="a"+i;
		
		if (divid==i){
		
			
			
		
			document.getElementById(ele).style.display='none';
			
			}
			else
			{
			document.getElementById(ele).style.display='none';
			
			
		}

	}


}




function hideDiv(divID)

{

	if(document.getElementById)
	{
	//alert(document.getElementById(divID).style.display);
		document.getElementById(divID).style.display='none';
	}
}


function showDiv(divID)
{
	if(document.getElementById)
	{
	//alert(document.getElementById(divID).style.display);
		document.getElementById(divID).style.display='block';
	}
}


function solutionactive(){			document.getElementById('sol').className = "solutionactive";
}

function nosolutionactive(){			document.getElementById('sol').className = "test";
}